Eur. Phys. J. A 12, 217-229 (2001)
Isoscalar-isovector interferences in reactions as a probe of baryon resonance dynamicsA.I. Titov1, 2 and B. Kämpfer1
1 Forschungszentrum Rossendorf, PF 510119, 01314 Dresden, Germany
2 Bogolyubov Laboratory of Theoretical Physics, JINR, Dubna 141980, Russia
(Received: 14 August 2001 Communicated by V.V. Anisovich)
The isoscalar-isovector (-) interferences in the exclusive reactions and near the threshold leads to a distinct difference of the dielectron invariant-mass distributions depending on beam energy. The strength of this effect is determined by the coupling of resonances to the nucleon vector-meson channels and other resonance properties. Therefore, a combined analysis of these reactions can be used as a tool for determining the baryon resonance dynamics.
13.75.-n - Hadron-induced low- and intermediate-energy reactions and scattering (energy less than or equal to 10 GeV).
14.20.-c - Baryons (including antiparticles).
21.45.+v - Few-body systems.
© Società Italiana di Fisica, Springer-Verlag 2001